void receive_status_message(Channel channel, EncKeys keys, string expected_extra_data)
{
Json json = new Json();
PicoBuffer buf = new PicoBuffer(0);
PicoBuffer iv = new PicoBuffer(0);
PicoBuffer cleartext = new PicoBuffer(0);
channel.read(buf);
json.deserialize(buf);
Assert.AreEqual(json.get_decimal("sessionId"), 0);
Base64.decode(json.get_string("iv"), iv);
buf.clear();
Base64.decode(json.get_string("encryptedData"), buf);
CryptoSupport.decrypt(keys.vEncKey, iv, buf, cleartext);
PicoBuffer receivedExtraData = new PicoBuffer(0);
byte[] status = new byte[2];
cleartext.copy_to_array(status, 2);
Assert.AreEqual(status[0], 0x00);
cleartext.copy_lengthprepend(1, receivedExtraData);
receivedExtraData.append(new byte[] { 0x00 });
Assert.AreEqual(receivedExtraData.to_string(), expected_extra_data);
json.delete();
buf.delete();
cleartext.delete();
iv.delete();
receivedExtraData.delete();
}
void echo_main(string channel_name)
{
Channel channel = Channel.connect(channel_name);
PicoBuffer buf = new PicoBuffer(0);
PicoBuffer toSend = new PicoBuffer(0);
channel.read(buf);
toSend.append_lengthprepend(buf);
byte[] bytesToSend = new byte[toSend.get_pos() + 1];
toSend.copy_to_array(bytesToSend);
channel.write(bytesToSend, bytesToSend.Length);
buf.delete();
toSend.delete();
channel.delete();
}
public void length_prepend()
{
PicoBuffer b;
PicoBuffer b2;
b = new PicoBuffer(3);
b2 = new PicoBuffer(3);
b2.append("67890");
Assert.AreEqual(b2.get_pos(), 5);
Assert.AreEqual(b2.get_size() % 3, 0);
b.append_lengthprepend(b2);
byte[] expected = new byte[] { 0x00, 0x00, 0x00, 0x05, Convert.ToByte('6'), Convert.ToByte('7'), Convert.ToByte('8'), Convert.ToByte('9'), Convert.ToByte('0'), 0x00 };
byte[] ret = new byte[10];
b.copy_to_array(ret, 10);
CollectionAssert.AreEqual(ret, expected);
b.delete();
b2.delete();
}